Surf Forecasts:
Jaconé surf forecast from 2 Sep 2026:
- Best quality surf: Thursday 3 Sep, 9AM (local time) - 6.5ft (2.0m), 11s period, S swell with offshore winds.
- Most powerful swell: Monday 7 Sep, 9PM (local time) - 7ft (2.2m), 11s period, SSW swell with 1,051 kJ wave energy.
- Next surfable swell (1★+): Wednesday 2 Sep, 9PM (local time) - 7ft (2.1m), 10s period with SSW swell.
Best Forecast Surf Conditions for Jaconé this week:
The surf forecast for Jaconé over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 02) at 9PM. The primary swell is predicted to be 2.1m and 10s period with a secondary swell of 0.4m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Jaconé in the next 16 days are 2.2m 11s and forecast to arrive on Monday (Sep 07) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Wednesday (Sep 09) at 3PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Wed 2nd Sep) | 7ft (2.1m) 10s |
| Best Surf | 9AM (Thu 3rd Sep) | 6.5ft (2.0m) 11s |
| Most Powerful | 9PM (Mon 7th Sep) | 7ft (2.2m) 11s |
Table - best surf conditions forecast for Jaconé over the next 16 days.
The Lowdown
G’day, it’s Rusty. Lookin’ at the next couple weeks here at Jaconé, we’ve got a slow start, but a few clean windows that’ll get the blood pumping.
The first proper action shows up on Thursday, September 3rd, in the morning. Swell’s running about 7 ft from the south, with a period of 11 seconds—proper groundswell. Wind is offshore out of the ENE at 12 mph, so it’ll be glassy. The combined energy reads 1065, so that’s a healthy push. This is a standout for experienced surfers only. Water temp is around 73°, right on the average mark for this time of year.
Next up, Tuesday the 8th. Morning session has waves at 5 ft from the SSW, 10-second period. Wind’s offshore from the NE at just 3 mph—barely a breath. Wave energy is 659, solid moderate. It’s calling for “very good” conditions, and I’d agree—that’s a clean paddle.
The real gem of the whole window is Monday the 14th. Early morning brings 6 ft of SSW groundswell, 12-second period, with light offshore NE winds at 6 mph. The energy is 1103, very strong. This is excellent surf for experienced surfers—clean, lined up, and powerful. The afternoon stays clean at 6 ft.
Later in the run, Friday the 17th has a massive 6 ft south groundswell with a 15-second period—that’s a deep ocean pulse. Energy is 1936, huge. But the wind is cross-shore and tricky, so it’s a wait-and-see for that one.
Beyond that, not much else to get excited about. The early days are junky, and we fall back into onshore slop after the good window. This is a "hit the right day" kind of stretch.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Wed morning. Warm (max 27°C on Fri morning, min 17°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 44mm), heaviest during Sat night. Warm (max 23°C on Sat morning, min 17°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 7 | SSW 10 | S 11 | S 11 | S 12 | S 12 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | E 8 | SSW 11 | SSW 9 | SSW 8 | S 6 | SSW 9 | SSW 9 | SSW 10 | SSW 10 | SSE 11 | S 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 188 | 660 | 917 | 969 | 963 | 617 | 314 | 214 | 130 | 85 | 69 | 38 | 168 | 238 | 240 | 311 | 641 | 889 | 490 | 356 | 332 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-off | off | cross-off | off | cross-off | cross | cross | cross-off | cross-off | cross-on | glassy | cross | cross | cross | cross | cross | off | cross-off | off |
High Tide | 5:19PM0.80m | 6:17AM0.87m | 5:57PM0.73m | 9:34AM0.80m | 6:52PM0.67m | 11:33AM0.87m | 10:37PM0.65m | 12:30PM0.95m | 11:48PM0.74m | 1:13PM1.01m | 00:29AM0.84m | 1:48PM1.04m | 1:03AM0.95m | ||||||||
Low Tide | 12:29PM0.33m | 00:38AM0.25m | 1:38PM0.43m | 1:49AM0.27m | 3:04PM0.50m | 3:12AM0.26m | 4:32PM0.51m | 4:32AM0.19m | 5:40PM0.47m | 5:39AM0.11m | 6:28PM0.42m | 6:33AM0.02m | 7:07PM0.37m | ||||||||
 |  |  | | | | | |  | | |  |  | |  |  | |  |  | |  | |
 | 6:00 | — | — | 5:58 | — | — | 5:58 | — | — | 5:56 | — | — | 5:56 | — | — | 5:54 | — | — | 5:54 | — | — |
 | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — | — | 5:40 | — | — | 5:40 | — | — | 5:40 | — | — | 5:42 | — |
mm | 1 | — | — | — | — | — | — | — | 2 | 1 | 3 | 12 | 2 | 3 | 9 | 6 | 5 | 3 | — | — | — |
Temp °C | 21 | 21 | 20 | 23 | 23 | 19 | 27 | 26 | 22 | 23 | 23 | 21 | 21 | 20 | 18 | 18 | 17 | 17 | 17 | 19 | 18 |
Feels °C | 19 | 19 | 21 | 20 | 19 | 15 | 29 | 27 | 22 | 23 | 23 | 23 | 22 | 19 | 16 | 18 | 15 | 15 | 18 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | E 8 | SSW 10 | S 11 | S 11 | S 12 | S 12 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | E 8 | SSW 9 | SSW 8 | E 7 | SSW 9 | SSW 9 | SSW 10 | SSW 10 | SSW 10 | S 10 |
| kJ | 35 | 660 | 917 | 969 | 963 | 617 | 314 | 214 | 130 | 85 | 40 | 33 | 168 | 238 | 24 | 208 | 641 | 889 | 490 | 338 | 332 |
Swell 2 Height (m) Direction Period (s) | SE 9 | E 8 | E 9 | E 9 | — | S 14 | E 8 | E 8 | E 9 | E 9 | S 4 | SW 6 | E 8 | SE 6 | S 13 | SE 6 | E 8 | E 8 | S 11 | SSE 11 | S 16 |
| kJ | 3 | 35 | 24 | 23 | — | 4 | 76 | 61 | 52 | 52 | 3 | 14 | 21 | 24 | 82 | 30 | 12 | 12 | 157 | 356 | 5 |
Swell 3 Height (m) Direction Period (s) | S 9 | SE 9 | — | — | — | — | S 12 | S 11 | SSW 10 | SW 4 | WSW 4 | SSW 11 | SSE 10 | E 8 | NE 7 | S 11 | S 20 | — | E 8 | E 8 | E 13 |
| kJ | 2 | 3 | — | — | — | — | 12 | 10 | 10 | 5 | 2 | 38 | 9 | 20 | 14 | 66 | 7 | — | 12 | 5 | 4 |
Wind waves Height (m) Direction Period (s) | SW 7 | — | — | ENE 8 | E 4 | ENE 6 | — | — | WSW 2 | — | E 8 | SE 4 | SE 5 | — | S 6 | SSW 9 | — | — | — | — | ESE 6 |
| kJ | 188 | — | — | 73 | 33 | 91 | — | — | 1 | — | 69 | 6 | 16 | — | 240 | 311 | — | — | — | — | 115 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 58 | 58 | 0 | 0 | 53 | 0 | 0 | 10 | 12 | 0 | 46 | 46 | 0 | 332 | 77 | 53 | 77 | 10 | 0 | 0 | 0 |
Best forecast wave conditions in Rio de Janeiro | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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Information about the Jaconé Surf forecast
The above surf forecast table for Jaconé provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Jaconé can be found by selecting the local surf guide option on the grey menu. Our Jaconé surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Jaconé) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Jaconé may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Jacone is 14 km (9 miles) from the city of Saquarema. If you plan a holiday in Rio de Janeiro, look for hotels and other accommodation in Saquarema. Saquarema has rooms for a wide range of budgets as well as car hire and transport links.
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